Finally, you need to connect the network LAN cable into the network port on the rear of the NAS and connect the other end to your router, modem or switch (in simple speak, the box your internet service provider have you or the box the other internet things are connected...
Unlike a router, UniFi gear require the controller software to be run on a different device. The easiest way is to get aUbiquiti UniFi Cloud Keyand plug it into the PoE ethernet switch. But there are other cheaper ways is to run it:Raspberry Pi, local home server, orremote cloud server...